.devices {
    position: absolute;
    top: calc(100%);
    left: 0;
    display: flex;
    justify-content: start;
    align-items: center;
    z-index: -10;
    transition: 0.75s;
}
.devices.active {
    top: calc(-100% - 150px);
    z-index: 1;
    transition: 0.75s;
}

.device-item {
    width: 250px;
    height: 190px;
    border-right: 1px solid black;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}